import test from "node:test";
import assert from "node:assert/strict";
import {
  buildSplitWindowArgs,
  buildWrapperShellCommand,
  isInsideTmux,
} from "./tmux.ts";

test("isInsideTmux reads the TMUX environment variable", () => {
  assert.equal(isInsideTmux({ TMUX: "/tmp/tmux-1000/default,123,0" } as NodeJS.ProcessEnv), true);
  assert.equal(isInsideTmux({} as NodeJS.ProcessEnv), false);
});

test("buildWrapperShellCommand single-quotes paths safely", () => {
  const command = buildWrapperShellCommand({
    nodePath: "/usr/local/bin/node",
    wrapperPath: "/repo/subagents/src/wrapper/cli.mjs",
    metaPath: "/repo/.pi/subagents/runs/run-1/meta.json",
  });

  assert.equal(
    command,
    "'/usr/local/bin/node' '/repo/subagents/src/wrapper/cli.mjs' '/repo/.pi/subagents/runs/run-1/meta.json'",
  );
});

test("buildSplitWindowArgs targets the current window and cwd", () => {
  assert.deepEqual(buildSplitWindowArgs({
    windowId: "@7",
    cwd: "/repo",
    command: "'node' '/wrapper.mjs' '/meta.json'",
  }), [
    "split-window",
    "-P",
    "-F",
    "#{pane_id}",
    "-t",
    "@7",
    "-c",
    "/repo",
    "'node' '/wrapper.mjs' '/meta.json'",
  ]);
});